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Finding the Fourth Proportional to 165,389.72, 248,166.56 and 65,547.72

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Solution

The fourth proportional to 165,389.72, 248,166.56 and 65,547.72 is: 98,354.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,389.72 : 248,166.56 = 65,547.72 : x
  2. Step 2: Convert to fraction form
    165,389.72/248,166.56 = 65,547.72/x
  3. Step 3: Cross multiply
    165,389.72x = 248,166.56 × 65,547.72
  4. Step 4: Simplify right side
    165,389.72x = 16,266,752,188.24
  5. Step 5: Solve for x
    x = 16,266,752,188.24/165,389.72
  6. Step 6: Final answer
    x = 98,354.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.